UK Gallons to Litres Converter
Type a value in UK gallons to see it in litres. It works both ways: type in the litres box to convert back.
Formula
To convert UK gallons to litres, multiply by 4.54609.
1 UK gal = 4.54609 L and 1 L = 0.219969248299 UK gal.
UK gallons to litres table
| UK gallons | Litres |
|---|---|
| 1 UK gal | 4.54609 L |
| 2 UK gal | 9.09218 L |
| 3 UK gal | 13.63827 L |
| 5 UK gal | 22.73045 L |
| 10 UK gal | 45.4609 L |
| 12 UK gal | 54.55308 L |
| 15 UK gal | 68.19135 L |
| 20 UK gal | 90.9218 L |
| 50 UK gal | 227.3045 L |
| 100 UK gal | 454.609 L |
Worked examples
2 UK gal in litres
2 UK gal
9.09218 L
2 × 4.54609 = 9.09218
12 UK gal in litres
12 UK gal
54.55308 L
12 × 4.54609 = 54.55308
50 UK gal in litres
50 UK gal
227.3045 L
50 × 4.54609 = 227.3045
About UK Gallons to Litres Converter
This converter turns UK gallons into litres as you type, and works the other way too: type in the litres box to convert back. To convert UK gallons to litres, multiply by 4.54609. For example, 2 UK gal is 9.09218 L, and 12 UK gal is 54.55308 L.
Volume conversions are easy to get wrong because UK and US gallons, pints and fluid ounces are different sizes. Each page here says which system it uses. Both units have exact definitions, so the converter gives an exact result, rounded only for display. Use the table below for common values, or set the decimal places to round the answer for a form or a label.
How to use UK Gallons to Litres Converter
- Type the amount in UK gallons in the first box.
- Read the answer in litres in the second box and in the result line below.
- To convert the other way, type in the litres box instead, or use the swap button to open the litres to UK gallons page.
- Choose a number of decimal places if you need a rounded figure, then copy the result line.
Common uses
- Following a recipe from another country
- Working out a drink size or a bottle size
- Comparing fuel economy or tank sizes
- Converting fuel, paint or liquid quantities
Frequently asked questions
How many litres are in one UK gallon?
There are 4.54609 litres in one UK gallon. This figure is exact, because both units have fixed definitions.
How do I convert UK gallons to litres?
To convert UK gallons to litres, multiply by 4.54609. For example, 50 UK gal is 227.3045 L.
How do I convert litres to UK gallons?
Going the other way, divide by 4.54609 (the same as multiplying by 0.2199692483). The litres to UK gallons converter does this for you.
What is 15 UK gal in litres?
15 UK gal is 68.19135 L.
Why are UK and US gallons different?
The UK redefined its gallon in 1824 as the volume of 10 pounds of water, about 4.546 litres. The US kept an older wine gallon of 231 cubic inches, about 3.785 litres. Pints and fluid ounces differ for the same reason.